creating the branch for cassandra repository

git-svn-id: https://svn.apache.org/repos/asf/incubator/streams/branches/cassandra@1510631 13f79535-47bb-0310-9956-ffa450edef68
Adding cassandra directory to the cassandra branch

git-svn-id: https://svn.apache.org/repos/asf/incubator/streams/branches/cassandra@1510638 13f79535-47bb-0310-9956-ffa450edef68
adding methods to receive activities from the repository

git-svn-id: https://svn.apache.org/repos/asf/incubator/streams/branches/cassandra@1512000 13f79535-47bb-0310-9956-ffa450edef68
changed from astyanax to datastax driver. After subscribing, the subscribers stream is populated with 10 streams from the database.

git-svn-id: https://svn.apache.org/repos/asf/incubator/streams/branches/cassandra@1519019 13f79535-47bb-0310-9956-ffa450edef68
changing database schema for cassandra repository

git-svn-id: https://svn.apache.org/repos/asf/incubator/streams/branches/cassandra@1519032 13f79535-47bb-0310-9956-ffa450edef68
You can now specify filters

git-svn-id: https://svn.apache.org/repos/asf/incubator/streams/branches/cassandra@1520089 13f79535-47bb-0310-9956-ffa450edef68
adding persistence for subscribers

git-svn-id: https://svn.apache.org/repos/asf/incubator/streams/branches/cassandra@1520340 13f79535-47bb-0310-9956-ffa450edef68
updating rave variables and ignoring tests

git-svn-id: https://svn.apache.org/repos/asf/incubator/streams/branches/cassandra@1520390 13f79535-47bb-0310-9956-ffa450edef68
adding provider to database schema

git-svn-id: https://svn.apache.org/repos/asf/incubator/streams/branches/cassandra@1521261 13f79535-47bb-0310-9956-ffa450edef68
adding support for provider in CassandraActivityStreamsEntry

git-svn-id: https://svn.apache.org/repos/asf/incubator/streams/branches/cassandra@1521936 13f79535-47bb-0310-9956-ffa450edef68
immediate update of freshly registered subscribers

git-svn-id: https://svn.apache.org/repos/asf/incubator/streams/branches/cassandra@1522571 13f79535-47bb-0310-9956-ffa450edef68
10 most recent activities returned on initialization

git-svn-id: https://svn.apache.org/repos/asf/incubator/streams/branches/cassandra@1522705 13f79535-47bb-0310-9956-ffa450edef68
adding correct type for test

git-svn-id: https://svn.apache.org/repos/asf/incubator/streams/branches/cassandra@1522706 13f79535-47bb-0310-9956-ffa450edef68
reversing list order

git-svn-id: https://svn.apache.org/repos/asf/incubator/streams/branches/cassandra@1522708 13f79535-47bb-0310-9956-ffa450edef68
prepending to the front of the list

git-svn-id: https://svn.apache.org/repos/asf/incubator/streams/branches/cassandra@1522889 13f79535-47bb-0310-9956-ffa450edef68
adding log statements to subscriber

git-svn-id: https://svn.apache.org/repos/asf/incubator/streams/branches/cassandra@1523037 13f79535-47bb-0310-9956-ffa450edef68
moving cassandra branch over

git-svn-id: https://svn.apache.org/repos/asf/incubator/streams/trunk@1524141 13f79535-47bb-0310-9956-ffa450edef68